package edu.sctu.fengleilin.month05.day150522;

/**
 * Created by user09 on 2015/5/22.
 */
public class TextImoocSix {
    public static void main(String[] args) {
        int num = 999;
        int count = 0;
        if (num >= 0 && num <= 999999999) {
            while (num != 0) {
                count++;
                num /= 10;
            }
            System.out.println("它是个" + count + "位的数!");
        } else {
            System.out.println("输入有误!");
        }
    }
}
